Rear portion of a motor vehicle



FIG. 1 is a right, front perspective view of a rear portion of a motor vehicle showing my new design;

FIG. 2 is a left, front perspective view thereof;

FIG. 3 is a left, rear perspective view thereof;

FIG. 4 is a right, rear perspective view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a left side elevational view thereof; and,

FIG. 8 is a top plan view thereof.

The broken lines shown throughout the drawings views are for environmental and illustrative purposes and that represent boundaries form no part of the claimed design. 

CLAIM The ornamental design for a rear portion of a motor vehicle, as shown and described. 